diff options
Diffstat (limited to 'target/linux/ipq806x/patches/0118-ata-ahci_platform-runtime-resume-the-device-before-u.patch')
| -rw-r--r-- | target/linux/ipq806x/patches/0118-ata-ahci_platform-runtime-resume-the-device-before-u.patch | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/target/linux/ipq806x/patches/0118-ata-ahci_platform-runtime-resume-the-device-before-u.patch b/target/linux/ipq806x/patches/0118-ata-ahci_platform-runtime-resume-the-device-before-u.patch deleted file mode 100644 index 6603bb9537..0000000000 --- a/target/linux/ipq806x/patches/0118-ata-ahci_platform-runtime-resume-the-device-before-u.patch +++ /dev/null @@ -1,79 +0,0 @@ -From abe309ab531f22b9b89329bd825606f6b68a95a1 Mon Sep 17 00:00:00 2001 -From: Roger Quadros <rogerq@ti.com> -Date: Sat, 22 Feb 2014 16:53:41 +0100 -Subject: [PATCH 118/182] ata: ahci_platform: runtime resume the device before - use - -On OMAP platforms the device needs to be runtime resumed before it can -be accessed. The OMAP HWMOD framework takes care of enabling the -module and its resources based on the device's runtime PM state. - -In this patch we runtime resume during .probe() and runtime suspend -after .remove(). - -We also update the runtime PM state during .resume(). - -CC: Balaji T K <balajitk@ti.com> -Signed-off-by: Roger Quadros <rogerq@ti.com> -Signed-off-by: Hans de Goede <hdegoede@redhat.com> -Signed-off-by: Tejun Heo <tj@kernel.org> ---- - drivers/ata/ahci.h | 1 + - drivers/ata/ahci_platform.c | 15 +++++++++++++++ - 2 files changed, 16 insertions(+) - ---- a/drivers/ata/ahci.h -+++ b/drivers/ata/ahci.h -@@ -325,6 +325,7 @@ struct ahci_host_priv { - u32 em_loc; /* enclosure management location */ - u32 em_buf_sz; /* EM buffer size in byte */ - u32 em_msg_type; /* EM message type */ -+ bool got_runtime_pm; /* Did we do pm_runtime_get? */ - struct clk *clks[AHCI_MAX_CLKS]; /* Optional */ - struct regulator *target_pwr; /* Optional */ - struct phy *phy; /* If platform uses phy */ ---- a/drivers/ata/ahci_platform.c -+++ b/drivers/ata/ahci_platform.c -@@ -23,6 +23,7 @@ - #include <linux/libata.h> - #include <linux/ahci_platform.h> - #include <linux/phy/phy.h> -+#include <linux/pm_runtime.h> - #include "ahci.h" - - static void ahci_host_stop(struct ata_host *host); -@@ -216,6 +217,11 @@ static void ahci_platform_put_resources( - struct ahci_host_priv *hpriv = res; - int c; - -+ if (hpriv->got_runtime_pm) { -+ pm_runtime_put_sync(dev); -+ pm_runtime_disable(dev); -+ } -+ - for (c = 0; c < AHCI_MAX_CLKS && hpriv->clks[c]; c++) - clk_put(hpriv->clks[c]); - } -@@ -309,6 +315,10 @@ struct ahci_host_priv *ahci_platform_get - } - } - -+ pm_runtime_enable(dev); -+ pm_runtime_get_sync(dev); -+ hpriv->got_runtime_pm = true; -+ - devres_remove_group(dev, NULL); - return hpriv; - -@@ -603,6 +613,11 @@ int ahci_platform_resume(struct device * - if (rc) - goto disable_resources; - -+ /* We resumed so update PM runtime state */ -+ pm_runtime_disable(dev); -+ pm_runtime_set_active(dev); -+ pm_runtime_enable(dev); -+ - return 0; - - disable_resources: |